Apple 4GB OEM G&King usb flash disk 1)Memory sizes available: 16/32/64/128/256/512MB/1/2/4/8GB/16GB 2) Compliant with USB specification 1.1 / 2.0 3) High speed, at least 10 years of data retention 4) Plug and play support: Win 98SE / 2000 / ME / XP /VISTA 5) Plug-and-play; no external power supply required, USB bus-powered 6) All drives are made with high quality Samsung/Hynix/Micron memory 7) Reading speed(USB2.0): 15Mbps 8) Writing speed(USB2.0): 5Mbps (computer configuration dependent) 9) Supports multi-partition and password access 10) Supports BIOS booting as USB-ZIP or USB-HDD 11) OEM: each USB drive is customized with your company's logo 12) Packing design can be changed as per buyers' needs 13) Prior to imprinting we will send you a proof for approval (if requested) 14) The price is valid for 2 days and it should be confirmed by us finally 15) Various colors optional, meets personal favorites very well 16) FCC, CE and RoHS Certification